Itami, Japan

Shirou Murata

This inventor holds 4 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1985-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shirou Murata. Retrieved from https://idiyas.com/inventor/shirou-murata

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 3

Forward Citations = 24(Granted Patents)


Location History:

  • Itami, JP (1985)
  • Hiroshima, JP (1995)

Company Filing History:


Years Active: 1985-1995

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Shirou Murata

Introduction

Shirou Murata is a notable inventor based in Itami, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of circuit breakers. With a total of 4 patents to his name, Murata's inventions reflect his commitment to enhancing safety and efficiency in electrical systems.

Latest Patents

Murata's latest patents include innovative designs for circuit breakers. One of his notable inventions is a circuit breaker that features a casing with a base and a main cover. This design accommodates a circuit-breaking mechanism and includes a recess formed in one surface of the main cover. The recess is designed to receive an auxiliary device of the circuit-breaking mechanism, and an auxiliary cover is mounted on the main cover to close the recess. This circuit breaker is automatically tripped when the auxiliary cover is opened, ensuring high security during the installation of the auxiliary device.

Another significant patent is for a circuit breaker with an arc light absorber. This invention comprises a pair of electric contactors contained in an insulating container for opening or closing an electric circuit. It includes electric conductors forming the electric contactors and contacts provided at the conductors. An arc extinguishing plate is designed to extinguish an arc produced between the contacts when the electric contactors are opened. The arc light absorber is formed by a pair of side walls made of a composite material with more than 35% porosity, allowing the arc produced between the contacts to be discharged safely.

Career Highlights

Shirou Murata is associated with Mitsubishi Electric Corporation, where he has contributed to various projects and innovations in electrical engineering. His work has been instrumental in advancing the technology behind circuit breakers, making them safer and more efficient.

Collaborations

Murata has collaborated with several talented individuals in his field, including Shinji Yamagata and Hajimu Yoshiyasu. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Shirou Murata's contributions to the field of electrical engineering, particularly through his innovative circuit breaker designs, have made a lasting impact. His patents reflect a dedication to safety and efficiency, showcasing the importance of innovation in technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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